The federal library:

  • Proven Safety Countermeasures (28-ish, verify count)
  • PEDSAFE/BIKESAFE selection tools
  • Safe System resources
  • signal timing guides
  • HSIP guidance
  • roundabout guides

Why: free, authoritative, grant-aligned; “FHWA Proven Safety Countermeasure” is persuasive language in any safety rec.

When:

  • countermeasure menus
  • Safe System framing
  • ped/bike treatment selection
  • staff learning

Spawn: one note per PSC you actually recommend, with local applicability notes.

Related: MOC - Safety and Traffic Calming